Storm Eva

Key takeaways

Storm Eva belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Storm Eva to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Storm Eva from memory before moving on to harder problems.

Reference excerpt

Storm Eva (also called Chuck, Staffan and other names) was the fifth named storm of the Met Office and Met Éireann's Name our Storms project. Heavy rainfall from Eva occurred around three weeks after Storm Desmond had brought severe flooding to parts of Northern England, exacerbating the ongoing situation. The low pressure was named Chuck by the Free University of Berlin and Staffan by the Swedish Meteorological Institute.

Meteorological history

Forecasts Eva was the fifth storm to be officially named by Met Éireann on 22 December 2015. An orange wind warning was issued for counties Clare, Galway, Mayo, Sligo and Donegal on the same day. Gales were also expected in the northwest of the United Kingdom, with storm force winds over parts of the Outer Hebrides. There were fears that the storm could cause further disruption to Cumbria in England, where areas were already dealing with the aftermath of flooding from Storm Desmond and in some cases had been flooded twice already. The army and Environment Agency staff were called in to be on stand-by to bolster flood defences.

Impact

Rain associated with the passage of Eva caused disruption when rivers burst their banks in the Cumbrian towns of Appleby, Keswick and Kendal on the 22 December. Appleby received three to four feet of flood water. The village of Glenridding was flooded for the third time in the month. Six thousand houses in Ireland were left without power. In London, Secretary of State for Environment, Food and Rural Affairs Liz Truss convened a COBRA meeting to decide on emergency measures, which included the deployment of soldiers from the 2nd Battalion, Duke of Lancaster's Regiment to the affected areas. On 24 December, flood defence gates were closed in Carlisle, Keswick and Cockermouth to limit the damage expected from rainfall and 20 water pumps and two kilometres (1.2 mi) of temporary flood barriers were transported to northern England. Ferries operating between Dublin and Holyhead were cancelled due to bad weather on the Irish Sea.

Notes

References

Illustrations

Worked examples

Example 1 — a first encounter with Storm Eva

Start with the simplest possible case. Write down what Storm Eva claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Storm Eva before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Storm Eva ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Storm Eva

In research: Storm Eva appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Storm Eva in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Storm Eva is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2010s floods in the United Kingdom, 2015 disasters in the United Kingdom, 2015 floods, so understanding it makes those chapters shorter.
In everyday life: Look for Storm Eva outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

How to study Storm Eva in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Storm Eva means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Storm Eva out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Storm Eva in simple terms?

Storm Eva (also called Chuck, Staffan and other names) was the fifth named storm of the Met Office and Met Éireann's Name our Storms project. Heavy rainfall from Eva occurred around three weeks after Storm Desmond had brought severe flooding to parts of Northern England, exacerbating the ongoing si…

Why does Storm Eva matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Storm Eva?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Storm Eva.